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Direct current superconducting power transmission cable and system

  • US 7,692,338 B2
  • Filed: 07/19/2005
  • Issued: 04/06/2010
  • Est. Priority Date: 07/20/2004
  • Status: Expired due to Fees
First Claim
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1. A superconducting power transmission cable comprising:

  • a first pipe encasing a superconducting member therein; and

    a second pipe disposed externally of said first pipe;

    said first pipe being vacuum adiabatically insulated from said second pipe;

    said cable further comprising at least a support member between said first and second pipes for supporting said first and second pipes in a radial direction.

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